Safety-fastener.



PATENTED JULY 5, 1904.

A. SCHAEFPER.

SAFETY FASTENER.

APPLICATION FILED DBO. 16, 1902.

NO MODEL.

Patented July 5, 1904.

PATENT OFFICE.

ARTHUR SCHAEFFER, OF BERLIN, GERMANY.

SAFETY-FASTENER- SPEGIFIGATION forming part of Letters Patent No. 764,153, dated July 5, 1904.

Application filed December 16, 1902. Serial No. 135,396. (No model.)

To all whom it may concern.-

Be it known that I, ARTHUR SOHAEFFER, a citizen of the Kingdom of Prussia. and a resident of Prinzessinenstrasse 10, Berlin, in the Kingdom of Prussia, German Empire, have invented certain new and useful Improvements in Safety-Fasteners, of which the following is a specification.

vMy invention relates to improvements in safety-fastenersfornecktie-pins, neckties,pinbrooches, waist or front shirts, and the like, and has for its object to give to the fastening of said articles a greater security than ever before.

A further object of my invention is to enable the user of said new safety-fastener to secure by one and the same revolving motion the connection of two different articles either to each other or to a third object, so that by only one motion of the fastener either a pin may be securely fastened tothe tie or, besides said pin fix'ation. the tie itself may be yet secured to the shirt or any other suitable part of the garment.

My invention has the further object to prevent any damage to the fabric in which the one part of the new fastener is inserted, as well as prevent a disconnecting of the parts fastened to each other by any accident whatever.

I attain these objects by the mechanism illustrated in the accompanying drawings, in which- Figure 1 shows my new fastener applied to the end or point of a necktie-pin shaft. Fig. 2 is a front view-of the fastener drawn at a larger scale. Fig. 3 is a side view. Fig. 4 shows the fastener in horizontal section and seen from above. Fig. 5 illustrates in side view a modification of the new fastenerviz., as waist-shirt holder; and Fig. 6shows said modification in front View.

My new safety-fastener consists of a plate 1, through which a pivot 2passes. Said pivot 2 is provided with a screw-thread which engages a thread in the plate 1; further, carries the pivot 2 at its upper end a milled button 3 or other suitable device, by means of which it can be revolved, and at its lower end a plate 4, to which a helically-curved pin 5 is attached. In the forms illustrated it is assumed that all points of the center line of the said pin 5 are at equal distances from the axis and that in the line of the latter a short straight guide-pin is arranged. Between the plate 1 and the button or head 3 a plate-like part 9 is arranged, which by the help of the perforation 10 is mounted upon the pivot 2 in such a manner that when screwing the pin 5 into the fabric said part 9 without revolving with the pivot 2 is more and more moved and pressed against the plate 1.

According to the form illustrated in- Figs. 1 to 4, this part 9 is connected with a finger or stud 11, projecting sidewise into a cut-out of the tube 7, fastened to the plate 1. This tube 7 serves as receptacle for the shaft or, better, for the shaft-point of a necktie-pin.

The novel feature of my said invention, therefore, lies especially in the fact that by inserting the helical pin 5 into the fabric-21 6., that by the revolving motion of the button 3- the shaft-point8, by virtue of the finger l1 moving against the tube 7, will firmly be fastened within the latter and simultaneously the helical pin rotated round its axis, thereby fastening same within the fabric. A furtlt er feature of my invention is to be seen in the limitation of the rotation of the helical pin round its axis, which is done by the finger 11 abutting against the shaft 8.

In using the helical-pin, fasteners injury through the sharp points of the pins 5 might be easily-incurred. It is therefore necessary to protect the said points when the fastener is not in use in such a manner that injury is impossible, but so that the movability of the fastener is in no -way interfered with. For this purpose a spring-tongue 6, for instance, can be arranged on the under side of the plate 1 or, as illustrated in Figs. 1 to 4:, at the un der side of a finger projecting from said plate in such a manner that the said tongue covers that place which the point of the helical pin will occupy when fully unscrewed. When being screwed in, first the point of the pin will move from under the said tongue, so that it can enter the fabric, and then by further rotating the pin its one or two or more windings will come forth. In this manner finally the whole helical pin is moved from under said tongue 6, the free end which entirely abuts in fastenings position of my new safety device against the respective side of plate 1. this kind of device also shoulders or any other suitable elements for limiting the rotation of the pin when unscrewing are essential in order that when screwed out the point of the pin will always pass exactly underneath or in the plane of the resilient tongue.

In the modification shown in Figs. 5 and 6 my invention is used as fastener for awaistshirt or the like. The only difference in construction between this modification and the device above described lies in the fact that the plate-like part 9, with its finger 11, is replaced by a gripper 13, which with its one end said modification, the edge of the waist-shirt is placed between the nose of plate 1 and the gripper 13 and then the button 3 or helical WVith pin 5 screwed in, for example, into the waistband of the under trousers or any other suitable part of the users clothing.

Having now particularly described and ascertained the nature of my said invention and in what manner the same is to be performed, I declare that what I claim is A safetyfastener for necktie pins, pinbrooches. neckties and the like comprising in combination a helical-pin fastener of suitable construction and a clamp whose parts are adapted to move toward each other, when the helical pin is screwed into the fabric and from each other when the pin-fastener is unscrewed, substantially as described and shown and for the purpose set forth.

In witness whereof I have hereunto signed my name, this 1st day of December, 1902, in

the presence of two subscribing witnesses.

ARTHUR SCHAEFFER.

Witnesses:

HENRY HASPER, WOLDEMAR HAUPT. 

